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Height

100

Based on the survey conducted by the Barangay Health Office of Barangay Parang, the third quartile (𝑄3) of the ages of 200 Grade 10 students of that barangay is 16 years old. What does it mean?

A. This means that 75% of the Grade 10 students in Barangay Parang is 16 years old or younger than 16 years old.

B. This means that 25% of the Grade 10 students in Barangay Parang is 16 years old or younger than 16 years old.

A. This means that 75% of the Grade 10 students in Barangay Parang is 16 years old or younger than 16 years old.

100

Ana says the mathematics test is so difficult. There were 200 test takers including her. Her score is 15 out of 20. Her score belong to the 1st quartile. What percentage of test did Ana answered correctly?

A. Ana answered 25% of the test correctly.

B. Ana answered 75% of the test correctly.

100

Teacher Jen is getting the height of her 28 students in Grade 10 Special Science Class for computing Body Mass Index (BMI). She noticed that each of the values of the height of her students is unique. She told one of her students, Michelle, that her height is the 30th percentile. What does it mean?

A. 30% of 28 students have the height that is less than or equal to the height of Michelle.

B. 70% of 28 students have the height that is less than or equal to the height of Michelle.

A. 30% of 28 students have the height that is less than or equal to the height of Michelle.

200

Based on the survey conducted by the Barangay Health Office of Barangay Parang, the third quartile (𝑄3) of the ages of 200 Grade 10 students of that barangay is 16 years old.

Question: How many students are 16 years old?

There are 150 students who are 16 years old.

200

Ana says the mathematics test is so difficult. There were 200 test takers including her. Her score is 15 out of 20. Her score belong to the 1st quartile.

Question: If the passing was 75%, about what percentage of test takers passed the test?

Seventy five percent (75%) of the test takers passed the test.

200

Question: How many students are taller than Michelle?

There are 20 students that are taller than Michelle.

300

Based on the survey conducted by the Barangay Health Office of Barangay Parang, the third quartile (𝑄3) of the ages of 200 Grade 10 students of that barangay is 16 years old.

Question: What is the number of students whose age is above 16 years old?

There are 50 students whose age is above 16 years old.

300

Twenty - five scores in a mathematics test were recorded and the 79 was the 50th percentile. Only one student got a score of 79.

Question: How many students scored higher than 79?

There were 12 students who got higher than 79.

300

Question: How many students are shorter than Michelle?

There are 7 students who are shorter than Michelle.

400

Based on the survey conducted by the Barangay Health Office of Barangay Parang, the third quartile (𝑄₃) of the ages of 200 Grade 10 students of that barangay is 16 years old.

Question: If Anna is a Grade 10 student whose age is 16 years old, what percentile does she belong?

She is in the 75th percentile.

400

Twenty - five scores in a mathematics test were recorded and the 79 was the 50th percentile. Only one student got a score of 79.

Question: How many students scored lower than 79?

There were 12 students who got a score lower than 79.

400

Question: What decile value does 30th percentile belong?

3rd decile (D₃)